The growing diabetes epidemic is not limited to people—diabetes mellitus is increasing among dogs as well. Researchers estimate that one in 200 dogs will develop the disease. Fortunately, treatment has made huge strides in recent years, and as a result, dogs with diabetes are living longer, healthier lives.
The mechanism of diabetes is relatively simple to describe. Just as cars use gas for fuel...

No matter how large or small, how brave or fearful, how bold or gentle, your dog is at heart a hunter. Dogs descend from wolves, consummate predators of animals as large as bison, and their eyes reflect this ancestry, as well as thousands of years of breeding by humans. In fact, some eye problems in dogs are the result of breeding them for specific traits, such as a flat face.
How Dogs See...